The human immune system
Chapter 1
First contact and the cellular border patrol
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Chapter 2
The specialized forces of adaptive memory
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Chapter 3
The ancient global quest to train our defenses
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Chapter 4
When defenses misfire or overreact
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YOUR GOAL
Master of The human immune system
Ch 3 · The ancient global quest to train our defenses
teacher Train to defend, train to defend, We teach the cells to win in the end, Train to defend, train to defend!
Fun Fact
Saddleback vaccine history: The word 'vaccine' comes from 'vacca', the Latin word for cow, because the very first vaccine was made using cowpox virus.
Glossary
variolation (noun)
The historical practice of immunizing someone against smallpox using active viral material to induce a mild infection. Ancient Chinese doctors practiced this by blowing pulverized smallpox scabs into the nostrils of healthy patients.
The historical practice of immunizing someone against smallpox using active viral material to induce a mild infection. Ancient Chinese doctors practiced this by blowing pulverized smallpox scabs into the nostrils of healthy patients.
Quiz
What was the main difference between traditional variolation and Edward Jenner's cowpox vaccine?
Quiz
Which viral disease became the first in human history to be completely eradicated through vaccination?
Quiz
Which milder disease did Edward Jenner use in 1796 to create the first smallpox vaccine?
Quiz
In 10th-century China, how was the early smallpox immunization technique of variolation performed?
Quiz
In which city did Lady Mary Wortley Montagu first witness safe smallpox inoculations in 1717?